Finding the Fourth Proportional to 1,614.04, 2,227.36 and 915.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.04 : 2,227.36 = 915.42 : x
2. Step 2: Convert to fraction form
   1,614.04/2,227.36 = 915.42/x
3. Step 3: Cross multiply
   1,614.04x = 2,227.36 × 915.42
4. Step 4: Simplify right side
   1,614.04x = 2,038,969.89
5. Step 5: Solve for x
   x = 2,038,969.89/1,614.04
6. Step 6: Final answer
   x = 1,263.27